Floating pinion for reduction gears

Claim 1

VIBRATION DAMPER APPARATUS COMPRISING, (A) AN INNER SHAFT HAVING A WEB EXTENDING RADIALLY THEREFROM PROVIDING A FIRST GEAR AND AN OUTER ANNULAR SHAFT CONCENTRIC WITH THE INNER SHAFT PROVIDING A SECOND GEAR AND HAVING ONE END DISPOSED ADJACENT SAID WEB, (B) A COUPLING UNIT FORMED OF A FIRST METAL RING AND A SECOND METAL RING INTERCONNECTED BY CENTRAL RESILIENT MEANS, (C) SAID FIRST METAL RING BEING CONNECTED TO SAID WEB AND SAID SECOND METAL RING BEING CONNECTED TO SAID WEB ONE END OF THE OUTER ANNULAR SHAFT, (D) SAID OUTER ANNULAR SHAFT HAVING A GREATER INNER DIAMETER THAN THE OUTER DIAMETER OF THE INNER SHAFT PROVIDING AN ANNULAR SPACE THEREBETWEEN, (E) SAID ONE END OF THE OUTER ANNULAR SHAFT AND THE COUPLING STRUCTURE PROVIDING AN END SPACE WITH THE INNER SHAFT WHICH IS IN COMMUNICATION WITH SAID ANNULAR SPACE AND (F) MEANS FOR SUPPLYING A VISCOUS LIQUID TO ONE OF SAID SPACES TO PROVIDE A HYDRODYNAMIC FILM BETWEEN THE SHAFTS DURING THEIR ROTATION.